Tons of things can clue you in to whether someone else is your perfect match. How does he or she feel about kids? Gay marriage? Which way the toilet paper should roll? According to data from OKCupid, there are three questions in particular that could suggest you and your partner really will get along for the long haul.

Barking Up the Wrong Tree cites research from OKCupid's four Harvard-trained mathematicians who conducted surveys on the dating site's singles:

Three questions tested above all others in determining if you and someone else have long-term potential are: "Do you like horror movies?" "Have you ever traveled around another country alone?" and "Wouldn't it be fun to chuck it all and go live on a sailboat?" If you find someone that answers all three the same way you do, the two of you might just belong together.

On one hand, the questions seem absurd because they don't deal with major life matters. On the other hand, there are two kinds of people in the world: Those who would go live on a sailboat, and those who wouldn't.

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